Round Rock Advisors, LLC's ownership history for SPMD

Round Rock Advisors, LLC currently holds 4.0K shares with a market value of $230.2K. It started holding SPMD on 2024-12-31. At its peak, it held 4.2K shares on 2024-12-31. Its highest holding value was $230.2K on 2025-09-30. At its lowest, it held 4.0K shares on 2025-09-30, with a value of $212.9K on 2025-03-31. In the recent 180 days, Round Rock Advisors, LLC has decreased its shares by 136.